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WebFix CORS Preflight OPTIONS Failures in ASP.NET Web API 2 OWIN

Resolve CORS preflight (OPTIONS) failures in ASP.NET Web API 2 on IIS with OWIN OAuth/JWT auth. Fix duplicate pipelines, middleware order, IIS handlers, and OPTIONS blocks for Angular frontend.

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ProgrammingPyTorch Dataset/DataLoader for Multivariate Time Series

Fix PyTorch Dataset and DataLoader for multivariate time series preprocessing from CSV. Ensure (B, V, L) shapes, avoid data leakage with proper scaling, and validate sliding windows for MAMBA models.

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HardwareRaspberry Pi 4 Green ACT LED Blinking: Boot & SSH Fix

Diagnose Raspberry Pi 4 green ACT LED blinking: bootloader, SD/USB, EEPROM checks, power tests, serial logs and recovery steps to restore boot and SSH.

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OSFix ModuleNotFoundError: No Module Named Pandas Linux Mint

Resolve ModuleNotFoundError: No module named 'pandas' on Linux Mint despite pip installation. Fix Python interpreter mismatch, virtual envs, pip issues, and Linux-specific quirks with step-by-step commands.

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ProgrammingCapture Real Exceptions in .NET MAUI Windows (Visual Studio)

Diagnose runtime errors in .NET MAUI Windows: make Visual Studio break on thrown CLR exceptions, enable WinUI diagnostics, and collect dumps for full stacks.

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DevOpsFilter Kubernetes dependency telemetry in App Insights

Drop internal Kubernetes HTTP dependencies in Application Insights with an ITelemetryProcessor. Filter by target/URL, type, or duration; or use OTEL/sampling.

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ProgrammingGenerate Regex Patterns from Input-Output Pairs with Code

Generate regex patterns from input-output examples to extract values (e.g., '2457' from 'example/123/2457'). Use online tools, grex, and Python/Java automation.

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WebFix 403 Forbidden for Swagger UI in Spring Boot Security

Fix 403 Forbidden for Swagger UI in Spring Boot by permitting /v3/api-docs/**, /swagger-ui/** and /webjars/** in Spring Security and handling CSRF for docs.

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Mobile DevFix Flutter Raster Jank in Modal Bottom Sheet DevTools

Diagnose and resolve 'Raster Jank Detected' in Flutter SDK 3.29.3 showModalBottomSheet with transparent backgrounds. Use Flutter DevTools for timeline, raster thread analysis, and optimizations like RepaintBoundary for smooth performance.

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HardwareSTM32 Wireless UART to PC: HC-05, ESP32, nRF24L01 Options

HC-05, ESP8266/ESP32, and nRF24L01 options for STM32F373 UART-like PC communication. Covers wiring, UART/HAL/DMA setup, framing protocols and tradeoffs.

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NetworkingVPN on VPS to Bypass Rostelecom Blocks: Shadowsocks, V2Ray

Discover reliable VPN solutions like Shadowsocks, V2Ray (VLESS/TLS+WS), Trojan, and SoftEther for VPS to evade Rostelecom blocks. Learn obfuscation techniques, TCP/443 setups, and quick configs for ISP-resistant connections.

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ProgrammingTensorFlow Backprop: Mixed Real & Complex Functions

Learn how TensorFlow handles backpropagation through mixed real and complex-valued functions using Wirtinger derivatives, GradientTape, and complex-aware ops. Covers chain rule, domain boundaries, and practical tips for CVNNs in comms systems.

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ProgrammingDGL with PyTorch 2.8 on RTX 50 - Compatibility Guide

DGL compatibility with PyTorch 2.8 and RTX 50 GPUs: recommended DGL/PyTorch/CUDA combos, Docker, prebuilt wheels, or build from source for Blackwell support.

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ProgrammingSFINAE, if constexpr & partial specialization for SFRegT

SFRegT with compile-time and runtime register addresses using SFINAE, if constexpr, and partial specialization. Code examples, patterns, and trade-offs.

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ProgrammingDay.js ISO 8601 Strict Parsing Fails: Why & How to Fix

Discover why Day.js strict ISO 8601 parsing fails for valid strings like 2024-03-10T15:30:00Z. Learn reliable validation using built-in parsers, customParseFormat, regex, UTC plugin, and code examples for robust date handling.

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WebFix Webpack Module Parse Failed Image Import Error

Resolve Webpack 'Module parse failed: import/export only with sourceType module' error on image imports. Fix asset loader regex in webpack.config.js, handle dynamic DOM content display, and avoid loader pitfalls for smooth bundling.

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DevOpsGit PR Shows Hundreds Unexpected File Changes Fix

Why does your Git pull request show hundreds of unexpected file changes after adding one file? Learn about merge-base issues, line endings (CRLF/LF), and fixes like rebasing, fresh branches, or .gitattributes normalization for safe merges.

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SocietyRebury Returned Ghoul: Prevention Methods & Rituals

Discover if you should rebury a ghoul that returns and effective methods like single sword strikes, decapitation, iron stakes, millstones, and rituals from folklore to prevent undead revenants and ghouls from escaping graves permanently.

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PsychologyWhy Bathrooms Feel Relaxing: Psychology & Design Factors

Discover why bathrooms feel so comfortable: privacy, warmth, lighting, acoustics, and design create psychological safety and sensory calm. Tips for a cozy bathroom sanctuary that reduces stress and promotes relaxation.

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WebAlpine.js: Sync Trumbowyg Vertical Scrolling with Code

Sync vertical scrolling between two Trumbowyg editors using Alpine.js or vanilla JS. Keeps toolbars visible and avoids page scrolling. Includes runnable code.

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